Aegir Enhanced Anti-Fog Safety Glasses feature an oversized, blade-style design for superior eye protection and maximized field of vision. Tough, scratch-resistant, anti-fog polycarbonate lenses protect against impacts and filter 99.9 percent of harmful UVA/UVB/UVC rays. High-strength frame is built for durability. Rubberized nose bridge and temples offer nonslip security and resist sweat for all-day comfort. Rubber temples bend to accommodate a variety of head shapes and fit preferences. Lenses feature Fog-Off Plus technology for clear viewing even when wearing dust masks or experiencing extreme temperature changes. Glasses are ANSI Z87.1 plus tested for impact protection. They are perfect for outdoor work such as construction, landscaping, carpentry, woodworking and more.